1. 蒸汽：* Gases 气体 | * Vapours 蒸汽 | * Dust 灰尘
1. As far back as 1940, scientists using telescopes saw vapours they believed indicated the presence of water.
2. " It can be a big project to drive away the chemical vapours, " he said.
noun
1. vapours的反义词
1. a state of depression
e.g. he had a bad case of the blues
Synonym: blues blue devils megrims vapors